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Page Title:
Detroit Diesel Allison G 411-2A (Transmission) |
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 NAVAIR 17-15-50.4
TM 38-301-4
T.O. 33-1-37-4
CGTO 33-1-37-4
COMPONENT:
Detroit Diesel Allison G 411-2A (Transmission)
LUBRICANT: MIL-L-2104
Fe
Ag
Al
Cr
Cu
Si
Sn
Ni
Pb
Mo
Mg
Normal Range
0-212
0-24
0-20
0-15
0-208
0-55
0-17
0-13
0-124
0-4
213-
209-
125-
Marginal Range
25-30
21-24
16-18
56-68
18-21
14-16
5
261
256
152
262-
257-
153-
High Range
31-37
25-31
19-23
69-85
22-26
17-20
6
326
320
190
Abnormal
327+
38+
32+
24+
321+
86+
27+
21+
191+
7+
Abnormal Trend
(PPM Increase
16
3
2
2
23
4
2
2
11
2
in 10 hrs)
TECHNICAL INFORMATION
The brake and clutch plates in the transmission are sintered bronze.
When the iron and copper in the transmission are increasing at
approximately the same rate, the plates may need adjustment, but
are probably in good condition. On the other hand, if the iron wear
rate exceeds the copper wear rate, the plates are probably worn
excessively, and the transmission may fail.
When aluminum or aluminum and iron are increasing excessively,
wear is occurring in the transmission torque converter.
Increasing silver or silver and iron may be the result of wear of the
plated hook-type seals.
APPLICABLE END ITEMS
M107, M108, M109, M109A1, M109A2, M109A3, M110, M110A2, M578, M992, XM1050
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